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454947740 = 225134340693
BaseRepresentation
bin11011000111011…
…111001110011100
31011201001201222022
4123013133032130
51412431311430
6113051035312
714162664152
oct3307371634
91151051868
10454947740
11213895a75
1210843bb38
137333ca60
14445c93d2
1529e194e5
hex1b1df39c

454947740 has 48 divisors (see below), whose sum is σ = 1052835168. Its totient is φ = 164070144.

The previous prime is 454947721. The next prime is 454947743. The reversal of 454947740 is 47749454.

It is a super-2 number, since 2×4549477402 = 413954892262215200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454947691 and 454947700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454947743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9167 + ... + 31526.

It is an arithmetic number, because the mean of its divisors is an integer number (21934066).

Almost surely, 2454947740 is an apocalyptic number.

It is an amenable number.

454947740 is an abundant number, since it is smaller than the sum of its proper divisors (597887428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454947740 is a wasteful number, since it uses less digits than its factorization.

454947740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40758 (or 40756 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 454947740 is about 21329.5039792303. The cubic root of 454947740 is about 769.1077200048.

The spelling of 454947740 in words is "four hundred fifty-four million, nine hundred forty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 20 26 43 52 65 86 130 172 215 260 430 559 860 1118 2236 2795 5590 11180 40693 81386 162772 203465 406930 529009 813860 1058018 1749799 2116036 2645045 3499598 5290090 6999196 8748995 10580180 17497990 22747387 34995980 45494774 90989548 113736935 227473870 454947740